2 verses have
let
in Edition Clear Qur'an by Talal Itani / Al-Anbiyaa (The Prophets)

21:5And they said, “A jumble of dreams,” and, “He made it up,” and, “He is a poet,” “let him bring us a sign, like those sent to the ancients.”

21:96Until, when Gog and Magog are let loose, and they swarm down from every mound.